How To Fix MO437 - Too many fields for ALV list

MO437 - Overview

• Message type: E = Error

• Message class: MO - Modeling and Prototyping

• Message number: 437

• Message text: Too many fields for ALV list

What causes this issue?

The maximum list width for the standard ALV list is 99 fields. It is
therefore not possible to display this table as a standard ALV list.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use the ALV grid or the SE16 basic list.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MO437 - Details

• The SAP error message MO437 "Too many fields for ALV list" typically occurs when you are trying to display an ALV (ABAP List Viewer) report with more fields than the system can handle. This can happen in various scenarios, such as when the number of columns exceeds the limit set by the ALV grid or when the data structure being passed to the ALV is too large.
  
  Cause:
  
  Exceeding Field Limit: The ALV grid has a limit on the number of fields (columns) that can be displayed. If your report tries to display more fields than this limit, you will encounter this error.
  Data Structure Size: If the data structure being used for the ALV contains too many fields, it can also trigger this error.
  
  Configuration Issues: Sometimes, the configuration of the ALV or the way the data is being prepared for display can lead to this issue.
  
  
  Solution:
  
  Reduce the Number of Fields: Review the